/Engine/Source/Runtime/Core/Public/Math/Vector.h
Gets a normalized copy of the vector, checking it is safe to do so based on the length. Returns zero vector by default if vector length is too small to safely normalize.
A normalized copy if safe, ResultIfZero otherwise.
[TVector](API\Runtime\Core\Math\TVector)< T > GetSafeNormal ( T Tolerance, const [TVector](API\Runtime\Core\Math\TVector)< T > & ResultIfZero ) const